Cereal2 · Observed attack

AS28665 UDP flood on 177.136.147.0/24 | 2026-10-10 21:07:50Z

· Event #324645

WhatsApp

Country-level precision. botnet.cl stores the target country, never a city or coordinates, so the marker sits at the country's center.

What this method does

Cereal2 vector 19: Configurable custom-payload UDP flood.

All Configurable custom-payload UDP flood observations
Observed
2026-10-10T21:07:50.416Z
Recorded

Recorded 144ms after observation

Affected network
177.136.147.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

All controllers with retained sightings of this order. Older records may have incomplete source coverage.

Geolocation data
ipinfo-lite · 2026-09

Snapshot taken at ingestion; it is never re-resolved later.

Payload observed in C2 command

Observed command data; this does not establish what reached the target.

Custom payload · 32 bytes

Decoded template · 32 bytes

OffsetHexadecimalASCII
00000000cd 15 64 b5 da 0f e0 9c..d.....
00000008cb 6f fa 40 4e cd 26 6a.o.@N.&j
00000010cc 38 e4 26 02 8b 2f f3.8.&../.
00000018eb fc aa 0d c8 d4 6d 39......m9

8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.

SHA-256 of decoded template

3cf039ce9d2358c01e23c4aae6b9cc172ea4155585edc76adff5ac2aaa14ae5a

Configured datagram length
1400 bytes
Minimum length option
1000 bytes
Maximum length option
1400 bytes

Length options are command settings, not measured packet sizes. The decoded template can differ from the resulting datagrams.

Original encoded value
cd1564b5da0fe09ccb6ffa404ecd266acc38e426028b2ff3ebfcaa0dc8d46d39

Original bytes (Base64)

Y2QxNTY0YjVkYTBmZTA5Y2NiNmZmYTQwNGVjZDI2NmFjYzM4ZTQyNjAyOGIyZmYzZWJmY2FhMGRjOGQ0NmQzOQ==

Other attacks on this network

Within 24 hours of this observation

Other attacks in this country

Within 24 hours of this observation

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.